body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.todo-container {
    background: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

h1 {
    text-align: center;
    color: #333;
}

#todo-form {
    display: flex;
}

#todo-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px 0 0 5px;
}

button {
    padding: 10px;
    border: none;
    background-color: #28a745;
    color: white;
    cursor: pointer;
    border-radius: 0 5px 5px 0;
}

button:hover {
    background-color: #218838;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    background: #eee;
    margin: 5px 0;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 5px;
}

li .delete-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 5px;
}

li .delete-btn:hover {
    background: #c82333;
}